Apple tvOS up to 15.5.1 GPU Drivers memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple tvOS up to 15.5.1 and classified as critical. Affected by this vulnerability is an unknown functionality of the component GPU Drivers. Executing a manipulation can lead to memory corruption. The identification of this vulnerability is CVE-2022-32821. The attack can only be executed locally. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple tvOS up to 15.5.1 (Digital Media Player) and classified as critical. This vulnerability affects an unknown code of the component GPU Drivers. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A memory corruption issue was addressed with improved validation. This issue is fixed in watchOS 8.7, tvOS 15.6, iOS 15.6 and iPadOS 15.6, macOS Monterey 12.5. An app may be able to execute arbitrary code with kernel privileges.

The weakness was shared 07/20/2022 by John Aakerblom as HT213342 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability was named CVE-2022-32821. The technical details are unknown and an exploit is not available. The advisory points out:

An app may be able to execute arbitrary code with kernel privileges

Upgrading to version 15.6 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

A memory corruption issue was addressed with improved validation.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-35887). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: tvOS 15.6

Timelineinfo

06/09/2022 🔍
07/20/2022 +41 days 🔍
07/20/2022 +0 days 🔍
07/21/2022 +1 days 🔍
05/23/2025 +1037 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213342
Researcher: John Aakerblom
Status: Confirmed

CVE: CVE-2022-32821 (🔍)
GCVE (CVE): GCVE-0-2022-32821
GCVE (VulDB): GCVE-100-204754
EUVD: 🔍

Entryinfo

Created: 07/21/2022 18:51
Updated: 05/23/2025 04:49
Changes: 07/21/2022 18:51 (19), 07/21/2022 18:55 (27), 08/16/2022 11:26 (1), 05/22/2025 21:37 (15), 05/23/2025 04:49 (12)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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